Cannes weather in August
August in Cannes: hot, dry — one of the best months to visit.
#2 of 12 months in Cannes · #81 of 897 destinations to visit in August · comfort 92/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cannes in August
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Cannes climate normals — August
| Daytime high | 29°C / 84°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Rainfall | 27 mm / 1.1 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.9 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 63 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cannes in August — FAQ
- Is August a good time to visit Cannes?
- August in Cannes: hot, dry — one of the best months to visit. It ranks #2 of 12 months for Cannes on SeasonMap's comfort score (92/100).
- What is the weather like in Cannes in August?
- In August, Cannes averages a daily high of 29.1°C and a low of 21.1°C, with about 27.2 mm of rain over roughly 4.8 rainy days.
- What is the air quality in Cannes in August?
- Cannes has a mean US Air Quality Index of about 63 in August.